the ones that need to worry who have asthma, emphysema, diabetes, diseases that decreased immune system or higher risk. what do they look for, a fever that doesn't respond to tylenol or motrin or shortness of breath or pre longed illness and tried the treatment at home, two, three, four days, or symptoms getting worse or dehydration, those persons should come to the emergency room. new york declared this an emergency, what does that mean? >> one of the important things to look at with this emergency, the good thing, the governor skidecided to allow pharmacists to give the flu vaccine to six months or older. in the past you had to be over 18 before you got the flu vaccines. >> tucker: why. >> and the good thing now is we have a larger cadre of health professionals who can give the vaccine. it's never too late to get the vaccine. it peaks in january and february and tails into march and april even further. so right now if you don't have the vaccine, definitely get out there and get it. takes about two weeks for immunity to build up full potency, definitely a good tool to use in battling t